Showerhead



FIG. 1 is a perspective view of a showerhead showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing of a shower arm is included for the purpose ofillustrating and forms no part of the claimed design.

The ornamental design for a showerhead, as shown and described.